U1 Videos FP 30

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When a medicine ball is thrown upwards and then falls back down, how does the second half of its motion (moving downwards) compare to simply dropping the medicine ball?

• The downward motion of the thrown ball is faster.

• The downward motion of the thrown ball is identical to dropping the ball.

• The downward motion of the thrown ball is slower.

• They are completely unrelated.

What is the acceleration of the medicine ball during both its upward motion and its downward motion, assuming negligible air resistance?

• It is zero at the highest point of its trajectory.

• It is constant and directed downwards.

• It changes direction from upward to downward.

• It increases as the ball moves downwards.

How does the first half of throwing a medicine ball upwards (when it's moving up) compare to dropping the medicine ball?

• It is the same as dropping the ball in reverse.

• It is the same as dropping the ball at a faster speed.

• It is completely different from dropping the ball.

• It is the same as dropping the ball from a greater height.

What combination of actions is equivalent to throwing a medicine ball upwards and catching it at the same height?

• Dropping the ball and then throwing it upwards.

• Dropping the ball in reverse, followed by dropping the ball.

• Throwing the ball downwards and then catching it.

• Only throwing the ball upwards.